Home / 34,251.12-51,383.57-12,080.21

Finding the Fourth Proportional to 34,251.12, 51,383.57 and 12,080.21

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Solution

The fourth proportional to 34,251.12, 51,383.57 and 12,080.21 is: 18,122.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,251.12 : 51,383.57 = 12,080.21 : x
  2. Step 2: Convert to fraction form
    34,251.12/51,383.57 = 12,080.21/x
  3. Step 3: Cross multiply
    34,251.12x = 51,383.57 × 12,080.21
  4. Step 4: Simplify right side
    34,251.12x = 620,723,998.83
  5. Step 5: Solve for x
    x = 620,723,998.83/34,251.12
  6. Step 6: Final answer
    x = 18,122.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.